Note that setting the checked content attribute (as opposed to the IDL attribute set with Javascript) to a non-empty string, the checkbox is checked. So if you set the 'checked' content …

Learn how to check if a checkbox is checked using JavaScript and jQuery on Stack Overflow.

Jan 21, 2011 · For some reason, my form does not want to get the value of a checkbox... I am not sure if it is my coding or not, but when I try and alert() the value, I get undefined as a result. …

Jul 10, 2014 · 31 I have a javascript routine that is performing actions on a group of checkboxes, but the final action I want to set the clicked checkbox to checked or unchecked based on if the …

Mar 9, 2017 · I need to make 5 checkbox which all have a value, going from 1 to 5, I need to print out in a textbox the value when I check one, I can uncheck the boxes and the number …

@KickingLettuce: !this.form.checkbox.checked is false if the checkbox is UNchecked (because of the ! operator). If you want a different alert to show when the checkbox is checked, you could …

Aug 3, 2012 · I have a form with multiple checkboxes and I want to use JavaScript to make sure at least one is checked. This is what I have right now but no matter what is chosen an alert pops …

I just want to get/change value of CheckBox with JavaScript. Not that I cannot use jQuery for this. I've tried something like this but it won't work. JavaScript function function checkAddress...

Jul 22, 2012 · This does not answer the question, but can be used to determine whether or not a checkbox is checked. +1 since it still helped me out.

May 21, 2018 · But, there is no need to check if a checkbox is checked. Just query the document for only checked checkboxes and whatever is returned is what you work with. .querySelector() …